Beachcomber Seal Tours Join the Beachcomber Seal Tours for a fantastic 1.5 hour cruise around Chatham. See the many seals that live around the Chatham Harbor waterways- between North  Beach, Chatham Lighta and the Break. 31 person capacity.
Address:-
174 Crowell Rd, North Chatham
Phone:- 508-945-5265
Visit Website:- https://sealwatch.com/
Bass River Kayaks Enjoy the beautiful Bass River in the best possible way! Bass River Kayaks rents Single and Double Kayaks so that you can explore Bass River on your own. They have Kayaks for sale as well. A 90 minute narrated river cruise run daily.
Address:-
118 Main Street (Rt. 28), West Dennis
Phone:- 508-362-5555
Barbara’s Bike Rental Rent bikes for the whole family! Barbara’s Bike Shop is located right on the Rail Trail in Dennis. They feature a wide range of bikes for sale, as well as equipment.
Address:-
430 Rt. 134, South Dennis
Phone:- 508-760-4723
Cape Playhouse America’s most famous summer theater, in addition to its amazing line-up for older audiences, Cape Playhouse also produces wonderful  children’s shows every summer, a perfect morning activity.
Address:-
820 Main St., Dennis
Phone:- 508-385-3838
Cape Cod Theatre Company / Harwich Junior Theatre Seasoned theatre professionals and members of the Actors’ Equity Assoc. regularly staff productions and classrooms at CC Theatre Co. With year-round productions and arts training, this organization enjoys a stellar reputation.  
Address:-
105 Division St., W. Harwich
Phone:- (508) 432-2002
Cape Cod Pirate Adventures Take your kids on an adventure they will never forget! Children between ages 3-10 are the perfect age for this treasure hunting voyage in Hyannis Harbor. They will be transformed into official members of the Sea Gypsy Crew with painted faces and pirate sashes! The trip includes water cannon firing, map reading, flag hoisting and treasure seeking!! The Sea Gypsy Captains are United States Coast Guard licensed and trained in First Aid and CPR. Reservations are required so be sure to call ahead.
Address:-
180 Ocean Street, Hyannis 02601
Phone:- (508) 394-9100
Dennis Parasail We can fly you any height you’d like, but if you want high, NO ONE FLYS HIGHER ON CAPE COD! Enjoy the pristine water of Cape Cod Bay on your Delux Yamaha Jet Ski. Pull the throttle to its limit and take off like a speeding bullet across the calm water. We call it the 50mph smile. Children may be passengers on Jetskis!  Our Jet ski trips last one hour... The 50 MPH smile lasts all week. FUN GUARANTEE! If parasailing or jet skiing is not the greatest part of your vacation then it’s free.
Address:-
1372 Route 134, East Dennis MA (next to Lost Dog Pub)
Phone:- 508-385-UFLY (8359)
Bass River Cruises Enjoy a 90 minute entertaining and relaxing cruise on Bass River. The trip is narrated as you meander the calm river, viewing waterfront homes, a working lighthouse, windmills, nature sancutaries and more. The cruise is relaxing and informative, as you learn about the various  people through history that have called Bass River home.
Address:-
109 Rt. 28, West Dennis
Phone:- 508-362-5555
Long Pasture Audubon Cruises Join the Long Pasture Audubon Cruises in a Marine Biology adventure cruise! The Marine Science on Nantucket Sound Cruise explores the aquatic world of the Cape Cod Bay, while collecting and examining crustaceans, fish, mollusks and mysterious microscopic creatures! The Cuttyhunk Tour explores the Elizabeth Islands off the coast of the Cape, viewing species of seabirds and water foul plus the chance to spend four hours on Cuttyhunk. The Penikese Island Tour explores the tiny Penikese Island.
Address:-
Hyannis Harbor, Hyannis
Long Pasture Aquatic Explorations Cruises Long Pasture Wildlife Sanctuary and Hy-Line Cruises have partnered to offer two-hour family-friendly Aquatic Explorations Cruises on Nantucket Sound. These programs are perfect for kids and adults who want to explore Cape Cod’s waters and encounter sea creatures. Search beneath the waves of Nantucket Sound for fascinating marine life including dogfish sharks, black sea bass, scup, spider crabs, squid, calico crabs, pipefish, and glowing comb jellyfish. Using trawl nets, fish pots, and plankton tows, Long Pasture Naturalists will use hands-on science to talk about the creatures that come onboard. Long Pasture's Aquatic Explorations Cruises take place on the Hy-Line's Sea Swan and leave from the Ocean Street Dock in Hyannis.
Address:-
Ocean Street Dock, Hyannis